* {
  padding: 0;
  margin: 0;
  font-family: PingFangSC-Regular, PingFang SC, sans-serif;
  box-sizing: border-box;
}
body {
  background-color: #ffffff;
  a {
    text-decoration: none;
    color: inherit;
  }
}
html,
body,
#app {
  width: 750px;
}

